.pull-right {
  float: right;
}
.pull-left {
  float: left;
}
.mg-left-10 {
  margin-left: 10px;
}
.mg-left-20 {
  margin-left: 20px;
}
.mg-right-10 {
  margin-right: 10px;
}
.mg-top-10 {
  margin-top: 10px;
}
.mg-top-20 {
  margin-top: 20px;
}
.mg-bottom-10 {
  margin-bottom: 10px;
}
.mg-bottom-20 {
  margin-bottom: 20px;
}